#-*- coding: utf-8 -*-import sys__cfg__version__  = 'debug'  # releaseif __name__ == '__main__':    print("main")    header = "File Header"        fd = open('./test.txt', 'w')        print(header, file = fd)        strout = ""        for i in range(500):        strout = ""        tmp = format(i, '15d')        strout += str(tmp)                print(strout, end = '', file = fd)                if ((i+1)%10) == 0:            if i != 0:                print("", end = '\n', file = fd)